Electrically Conductive Pins For Microcircuit Tester

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United States of America Patent

SERIAL NO

13343328

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Abstract

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The terminals of a device under test (DUT) are temporarily electrically connected to corresponding contact pads on a load board by a series of electrically conductive pin pairs. The pin pairs are held in place by an interposer membrane with a top facing the device under test, a bottom facing the load board, and a vertically resilient, non-conductive member between the top and bottom contact plates. Each pin pair includes a top and bottom pin, which extend beyond the top and bottom contact plates, respectively, toward the device under test and the load board, respectively. The bottom pins has a lower contact surface which includes an arcuate portion or ridge which increases contact pressure and ablates oxides by the rocking action of ridge when the DUT in inserted.

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Patent Owner(s)

Patent OwnerAddress
JOHNSTECH INTERNATIONAL CORPORATION1210 NEW BRIGHTON BOULEVARD MINNEAPOLIS MN 55413

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michalko, Gary W Ham Lake, US 19 163
Nelson, John E Brooklyn Park, US 79 1237
Sherry, Jeffrey C Savage, US 25 259
Warwick, Brian Ben Lomond, US 12 125

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